pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8105-IdleRoadJ.ps) >>/Users/jc/w/tmp/Tune-8105-get.log 2>&1" returned status 256
http://terrytraub.org/abc/IdleRoadJ.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Coll_81052.log 133808 Log file, useful mostly for debugging
Find_81051.log 1680 Log file, useful mostly for debugging
Tune-8105-IdleRoadJ.abc 427 ABC music file with the extracted tune(s)
Tune-8105-IdleRoadJ.ps 35232 PostScript
Tune-8105-IdleRoadJ.txt 427 Plain-text file with the extracted tune(s)
Tune-8105-get.log 4552 Log file, useful mostly for debugging
Tune-81057-get.log 4524 Log file, useful mostly for debugging
These files should be available for 24 hours.